assibilate /a- or ə-sibˈi-lāt/ (phonetics)

To sound as a sibilant

assibilāˈtion noun

• good-humoured
• good-humouredly
• good-humouredness
• good hunting
• goodier
• goodies
• goodiest
• goodiness
• goodinesses
• goodish
• good-King-Henry
• good-lack
• goodlier
• goodliest
• goodlihead
• goodliheads
• good-liking
• goodliness
• goodlinesses
• good-looker
• good-lookers
• good-looking
• good looks
• goodly
• goodlyhead